Mental Math Strategies

Click on the links below to view the videos.

Balancing Strategy with 2 Digit Subtraction by Aiden and Keighan New!!

Multiplying by Nine by Mackenzie and Grayson New!!

Estimating by Rounding by Rachel and Emma New!!

Think Quarters by Ryan

Trailing Zeros by Tyler A.

Trailing Zeros by Tyler (a different version)

Dropping Common Zeros by Michael

Halving and Doubling by Sam

Slide to the Left by Meghan

Searching for Compatibles by Mathew

Starting at the Left by Will

Multiplying by 11 by Abby

Division by Ryan